868499183 has 2 divisors, whose sum is σ = 868499184. Its totient is φ = 868499182.

The previous prime is 868499167. The next prime is 868499189. The reversal of 868499183 is 381994868.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 868499183 - 2⁴ = 868499167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (868499189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434249591 + 434249592.

It is an arithmetic number, because the mean of its divisors is an integer number (434249592).

Almost surely, 2^868499183 is an apocalyptic number.

868499183 is a deficient number, since it is larger than the sum of its proper divisors (1).

868499183 is an equidigital number, since it uses as much as digits as its factorization.

868499183 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2985984, while the sum is 56.

The square root of 868499183 is about 29470.3101951778. The cubic root of 868499183 is about 954.0910123151.

The spelling of 868499183 in words is "eight hundred sixty-eight million, four hundred ninety-nine thousand, one hundred eighty-three".